[Qt-interest] QListView's selectionModel is broken?

[Ellen Kestrel]

Yes, that was the problem - thank you!

On Tue, Mar 17, 2009 at 11:07 AM, Kaleb Pederson
<kaleb.pederson at gmail.com>wrote:

> 2009/3/17 Ellen Kestrel <dragonflykes at gmail.com>:
> > I have a QListView which has its data supplied by a QStringListModel, and
> I
> > want to display information when each item in the QListView is clicked.
> So,
> > I tried
> >
> > connect (listView->selectionModel (), SIGNAL (currentChanged (const
> > QModelIndex&, const QModelIndex&)), this, SLOT (display ()));
> >
> > When I run the program, the slot is never run.  There are no "No such
> > signal/slot" messages - it looks like the currentChanged signal is simply
> > never emitted.
>
> The selectionModel might be replaced sometime after you do the
> connect.  You might need to make sure that you have set your
> stringlist model onto the listview before you try to do the connect
> with the selection model.
>
> Lastly, have you checked the return value on connect?  I presume it
> worked since you didn't see any errors... but it never hurts to check
> explicitely.
>
> > I have done the exact same thing with a QTreeView, and it
> > worked exactly the way I wanted it to.
>
> Yeah, it should work.  I'm guessing it's just an ordering problem.
>
> HTH,
>
> --Kaleb
>
>
> > I also tried connecting the
> > currentRowChanged and selectionChanged signals, but those didn't work
> > either.  Is there something special you have to do with a QListView, or
> is
> > this a bug?  If it's a bug, is there a way to work around it?
> >
> > -- EK
>
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